Press the "ON/OFF" key for 1 second to turn on the machine. After the self-check, it display "0.0" to indicate that it is ready to use. Press the "TARE" key to remove the tare. When the weighing is stable, press the "HOLD" key to lock the display Weight, press the "ON/OFF" button for 3 seconds to shut down. Made of high quality ABS material for use; Used to weigh butter, flour, milk powder, cream, tea, spices, medicine, etc. Characteristics of spoon scale: Built-in lithium battery with a capacity of 150 mA, USB rechargeable, equipped with large and small spoons, when there is no weight change, it automatically shut down after 5 minutes. High :High spoon electronic scale,utilizes high sensor system, the maximum weighing is 500g, the minimum weighing is 0.5g, and the division value is 0.1g. Can be peeled, 4 kinds of measurement unit conversion (g/oz/c/gn). The electronic measuring spoon is a high- product, please plaed the value horizontally when read the value.